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iOS app icon with transparent background showing black background on device
... a black background behind the edges as if it wasn't transparent. Any solutions?
2 Answers
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Why #define TRUE (1==1) in a C boolean macro instead of simply as 1?
... reasons to stay away from C99 and work with C90.
If you're working in a mixed C and C++ project, and don't want C99, define the lower-case true, false and bool instead.
#ifndef __cplusplus
typedef int bool;
#define true (0==0)
#define false (!true)
#endif
That being said, the 0==0 trick was (i...
How do I test a camera in the iPhone simulator?
... the simulator without having to deploy on a device? This seems awfully tedious.
7 Answers
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How does a garbage collector avoid an infinite loop here?
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As per Richter in the second edition of CLR via C# (yes I need to update):
Page 478
For (The CLR is shutting down) each Finalize method is given approximately two seconds to return. If a Finalize method doesn't return within two seconds, the CLR just ki...
Rails respond_with: how does it work?
... a proc/lambda or a class that responds to call. Another alternative is to mixin one or modules to the existing responder to overload existing methods, augmenting the default behavior.
class SomeController < ApplicationController
respond_to :json
self.responder = proc do |controller, resour...
How to Implement Custom Table View Section Headers and Footers with Storyboard
...he canvas, lay it out and then set it in the tableView:viewForHeaderInSection or tableView:viewForFooterInSection delegate methods.
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UICollectionView auto scroll to cell at IndexPath
Before loading the collection view user sets the number of image in the array of collection view. All of the cells don't fit on the screen. I have 30 cells and only 6 on the screen.
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iOS 7 - Failing to instantiate default view controller
...ton e click on it, then the project gets built but it does not show in the iOS Simulator and I get the following message:
1...
How to iterate over the files of a certain directory, in Java? [duplicate]
...
If you have the directory name in myDirectoryPath,
import java.io.File;
...
File dir = new File(myDirectoryPath);
File[] directoryListing = dir.listFiles();
if (directoryListing != null) {
for (File child : directoryListing) {
// Do something with child
}
} else {
...
Hidden features of mod_rewrite
...h a comma:
RewriteRule ^olddir(.*)$ /newdir$1 [L,NC]
Common pitfalls
Mixing mod_alias style redirects with mod_rewrite
# Bad
Redirect 302 /somepage.html http://example.com/otherpage.html
RewriteEngine on
RewriteRule ^(.*)$ index.php?query=$1
# Good (use mod_rewrite for both)
RewriteEngine on...